diff --git a/.github/workflows/analyze-reusable.yml b/.github/workflows/analyze-reusable.yml
index 9ed85e11e23..c1d812e533a 100644
--- a/.github/workflows/analyze-reusable.yml
+++ b/.github/workflows/analyze-reusable.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       with:
         fetch-depth: '0'
 
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index ac57bd87b5a..be2dd55df7d 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -22,7 +22,7 @@ jobs:
     # You can define any steps you want, and they will run before the agent starts.
     # If you do not check out your code, Copilot will do this for you.
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 1000
 
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index dadc6fd4370..dbef2e1c8b2 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -17,6 +17,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@3c4e3dcb1aa7874d2c16be7d79418e9b7efd6261 # v4.8.2
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index cd0a1d31726..61b5eebb88f 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Check out the repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Verify PR has label starting with 'cl-'
       id: verify-labels
diff --git a/.github/workflows/linux-ci.yml b/.github/workflows/linux-ci.yml
index 030139b6c30..49d1c0a055f 100644
--- a/.github/workflows/linux-ci.yml
+++ b/.github/workflows/linux-ci.yml
@@ -57,7 +57,7 @@ jobs:
       packagingChanged: ${{ steps.filter.outputs.packagingChanged }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
 
@@ -76,7 +76,7 @@ jobs:
       contents: read
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check for merge conflict markers
         uses: "./.github/actions/infrastructure/merge-conflict-checker"
@@ -88,7 +88,7 @@ jobs:
     if: ${{ needs.changes.outputs.source == 'true' || needs.changes.outputs.buildModuleChanged == 'true' }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
 
@@ -103,7 +103,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Linux Unelevated CI
@@ -121,7 +121,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Linux Elevated CI
@@ -139,7 +139,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Linux Unelevated Others
@@ -157,7 +157,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Linux Elevated Others
@@ -181,7 +181,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
@@ -255,7 +255,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Linux Packaging
diff --git a/.github/workflows/macos-ci.yml b/.github/workflows/macos-ci.yml
index 721077a6b70..60596c75ed7 100644
--- a/.github/workflows/macos-ci.yml
+++ b/.github/workflows/macos-ci.yml
@@ -56,7 +56,7 @@ jobs:
       buildModuleChanged: ${{ steps.filter.outputs.buildModuleChanged }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Change Detection
         id: filter
@@ -71,7 +71,7 @@ jobs:
     if: ${{ needs.changes.outputs.source == 'true' || needs.changes.outputs.buildModuleChanged == 'true' }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Build
@@ -85,7 +85,7 @@ jobs:
     runs-on: macos-15-large
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: macOS Unelevated CI
@@ -103,7 +103,7 @@ jobs:
     runs-on: macos-15-large
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: macOS Elevated CI
@@ -121,7 +121,7 @@ jobs:
     runs-on: macos-15-large
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: macOS Unelevated Others
@@ -139,7 +139,7 @@ jobs:
     runs-on: macos-15-large
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: macOS Elevated Others
@@ -166,7 +166,7 @@ jobs:
       - macos-15-large
     steps:
     - name: checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 1000
     - uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
index 3f5951951e1..8df06cd9f14 100644
--- a/.github/workflows/scorecards.yml
+++ b/.github/workflows/scorecards.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/verify-markdown-links.yml b/.github/workflows/verify-markdown-links.yml
index b26539eb0cf..df37ba3c513 100644
--- a/.github/workflows/verify-markdown-links.yml
+++ b/.github/workflows/verify-markdown-links.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Verify markdown links
         id: verify
diff --git a/.github/workflows/windows-ci.yml b/.github/workflows/windows-ci.yml
index 4f774fcdc9b..92bbf2f4c9e 100644
--- a/.github/workflows/windows-ci.yml
+++ b/.github/workflows/windows-ci.yml
@@ -60,7 +60,7 @@ jobs:
       packagingChanged: ${{ steps.filter.outputs.packagingChanged }}
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Change Detection
         id: filter
@@ -75,7 +75,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Build
@@ -89,7 +89,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Windows Unelevated CI
@@ -107,7 +107,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Windows Elevated CI
@@ -125,7 +125,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Windows Unelevated Others
@@ -143,7 +143,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
       - name: Windows Elevated Others
diff --git a/.github/workflows/windows-packaging-reusable.yml b/.github/workflows/windows-packaging-reusable.yml
index 1f03aaf5944..f3a46cae908 100644
--- a/.github/workflows/windows-packaging-reusable.yml
+++ b/.github/workflows/windows-packaging-reusable.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000
 
diff --git a/.github/workflows/xunit-tests.yml b/.github/workflows/xunit-tests.yml
index efd05b76045..940e1cb839c 100644
--- a/.github/workflows/xunit-tests.yml
+++ b/.github/workflows/xunit-tests.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ inputs.runner_os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1000